Interference-aware QoS routing (IQRouting) for ad-hoc networks
Gupta, R.
Zhanfeng Jia
Tung, T.
Walrand, J.
California Univ., Berkeley, CA;
This paper appears in: Global Telecommunications Conference, 2005. GLOBECOM '05. IEEE
Publication Date: 2-2 Dec. 2005
Volume: 5,
On page(s): 6 pp.-2604
Location: St. Louis, MO,
ISBN: 0-7803-9414-3
INSPEC Accession Number: 8956061
Digital Object Identifier: 10.1109/GLOCOM.2005.1578231
Current Version Published: 2006-01-23
Abstract
Traditional distributed algorithms for QoS routing in wired networks may not work in the ad-hoc domain, due to interference between links. We propose a heuristic interference-aware QoS routing algorithm (IQRouting) that chooses candidate paths based on localized information at the source nodes. The candidate paths are compared in a distributed manner using probe packets, with the best path confirmed by the destination node. Simulations demonstrate significant (up to 30 %) improvements in admission ratio over traditional shortest path algorithms, and better performance than other QoS routing algorithms in literature as well
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